Schedule: a typical summer Saturday (the flights of Jul 25, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
UNITED · FLIGHT UA 1631SCHEDULED · TYPICAL SCHEDULE
Tomorrow
UA 1631 · EWR → LAS
departs 9:00 AM ET · arrives 11:28 AM PT
Forecast issued Fri 7:00 AM ET · 26h before departure
Odds over time
Arrive at LAS more than 15 minutes late?
13%chance · ±1 pts+3 pts · 24h
HOW SURE WE AREModerate. The odds now blend history with early weather forecasts.
How late will it get to LAS?
On time or early
86%
15–30 min late
6%
30 min–1 hour late
5%
1–2 hours late
<1%
Over 2 hours late
2%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.